diff -urN jnethack-3.6.6-0.6-org/src/objnam.c jnethack-3.6.6-0.6-patch/src/objnam.c
--- jnethack-3.6.6-0.6-org/src/objnam.c	2023-01-30 15:16:42.737418300 +0900
+++ jnethack-3.6.6-0.6-patch/src/objnam.c	2023-02-16 11:13:45.089490500 +0900
@@ -4198,6 +4198,104 @@
         mntmp = NON_PM; /* no monster */
         goto typfnd;
     }
+
+    if (!strcmpi(bp, "短剣")) {
+      if (mntmp == PM_ELF) {
+        typ = ELVEN_DAGGER;
+        mntmp = NON_PM; /* no monster */
+        goto typfnd;
+      } else if (mntmp == PM_ORC) {
+        typ = ORCISH_DAGGER;
+        mntmp = NON_PM; /* no monster */
+        goto typfnd;
+      }
+    }
+
+    if (!strcmpi(bp, "つるはし") && mntmp == PM_DWARF) {
+        typ = DWARVISH_MATTOCK;
+        mntmp = NON_PM; /* no monster */
+        goto typfnd;
+    }
+
+    if (!strcmpi(bp, "小剣")) {
+      if (mntmp == PM_ELF) {
+        typ = ELVEN_SHORT_SWORD;
+        mntmp = NON_PM; /* no monster */
+        goto typfnd;
+      } else if (mntmp == PM_ORC) {
+        typ = ORCISH_SHORT_SWORD;
+        mntmp = NON_PM; /* no monster */
+        goto typfnd;
+      } else if (mntmp == PM_DWARF) {
+        typ = DWARVISH_SHORT_SWORD;
+        mntmp = NON_PM; /* no monster */
+        goto typfnd;
+      }
+    }
+
+    if (!strcmpi(bp, "幅広の剣") && mntmp == PM_ELF) {
+        typ = ELVEN_BROADSWORD;
+        mntmp = NON_PM; /* no monster */
+        goto typfnd;
+    }
+
+    if (!strcmpi(bp, "槍")) {
+      if (mntmp == PM_ELF) {
+        typ = ELVEN_SPEAR;
+        mntmp = NON_PM; /* no monster */
+        goto typfnd;
+      } else if (mntmp == PM_ORC) {
+        typ = ORCISH_SPEAR;
+        mntmp = NON_PM; /* no monster */
+        goto typfnd;
+      } else if (mntmp == PM_DWARF) {
+        typ = DWARVISH_SPEAR;
+        mntmp = NON_PM; /* no monster */
+        goto typfnd;
+      }
+    }
+
+    if (!strcmpi(bp, "弓")) {
+      if (mntmp == PM_ELF) {
+        typ = ELVEN_BOW;
+        mntmp = NON_PM; /* no monster */
+        goto typfnd;
+      } else if (mntmp == PM_ORC) {
+        typ = ORCISH_BOW;
+        mntmp = NON_PM; /* no monster */
+        goto typfnd;
+      }
+    }
+
+    if (!strcmpi(bp, "矢")) {
+      if (mntmp == PM_ELF) {
+        typ = ELVEN_ARROW;
+        mntmp = NON_PM; /* no monster */
+        goto typfnd;
+      } else if (mntmp == PM_ORC) {
+        typ = ORCISH_ARROW;
+        mntmp = NON_PM; /* no monster */
+        goto typfnd;
+      }
+    }
+
+    if (!strcmpi(bp, "鉄環の鎧") && mntmp == PM_ORC) {
+        typ = ORCISH_RING_MAIL;
+        mntmp = NON_PM; /* no monster */
+        goto typfnd;
+    }
+
+    if (!strcmpi(bp, "鎖かたびら") && mntmp == PM_ORC) {
+        typ = ORCISH_CHAIN_MAIL;
+        mntmp = NON_PM; /* no monster */
+        goto typfnd;
+    }
+
+    if (!strcmpi(bp, "兜") && mntmp == PM_ORC) {
+        typ = ORCISH_HELM;
+        mntmp = NON_PM; /* no monster */
+        goto typfnd;
+    }
 #endif
 
     p = eos(bp);